Index 



35" 



Family names, extinction of, 2\)\ 



Faraday, 317 



Fat stains, effects on next generation, 



"3.237 

 "Fate of part, function of position," 

 226 



of organization, 226 

 Fecundity, inherited, 68 

 Feeble-mindedness, 71, 117 

 Feminist movement, 322 

 Fertility, of lower types, 279 

 Fertilization, ii, 12, 133, 137 



a stimulus to development, 133 



heterogeneous, 213 



union of germplasms, 134 

 "Fewer and better children," 2<i^ 

 Fluctuations, 74, 266 

 Fol, fertilization of starfish, T2 

 Food, influence on development in 

 tadpoles, canaries, hecs, 221, 222 

 Foot and Strobell, on chromosomes, 

 179 



on sex-limited characters, 183 

 Forel, effect of alcohol on germ cells, 



212 

 Formation of Substances in cells, 



198 

 Formulae, Inheritance, 94 

 Fowls, races of, 250, 251 



transplanted ovaries, 231 

 Freedom, and determinism, 309 



birth and growth of, 312 



definition of, 313 



development of, 312 



from reproduction, 322 



greatest in man, 312 



not absolute, 309 



not uncaused activity, 313 



of action, 53 



of individual, 301, 321 



of society, 321 

 Friedrich's Disease, 118 

 Frog, behavior of, 312 



double embryos, 213, 2/5 



early development, 24, 25 

 Function and structure inseparable, 

 31 



correlated, ^2, 68 



development of, 29 

 Functional Activity, 223 



in human development, 238 



1 1 \i ion, age of mai riag< 



"Ancestral Inheritance," 76 77 

 artistic faculty, 64 

 characters, 64 

 definition of eugenics, 280 

 diseases, 64, 76 



eugenical policy, 285 

 eye-color, 04, 76 



"Filial Regression," 78, 7<> 



genius inherited, 71, 70 



heredity vs. civilization, 242 



intermarriage of scholars, 283 



kinds of inheritance, 73 



method of, 63 



nature and nurture, 205 



on Ancient Greeks, 270, 277 



on identical twins, 240 



pioneer in heredity, 04 



poor health of divines, 239 



religious significance of evolu- 

 tion, 325 



on "sports," 74 



statistical study of inheritance, 

 76-80 



stature, 64, 78, 79 



weight of seeds, 64 

 Gamete, 10 



Gardener, methods of, 283 

 Gastrula, 22, 25 



Gates, Oenothera chromosomes, 268 

 Gauss, 316 



"Gemmules," of Darwin, 12 |, 120 

 Generalized types, 283 

 Generations, parental and filial. 83, 85 



symbols of, 85 

 Genes, 130 

 Genius, and physical defects, 230 



hereditary, 71 



unstable nervous organization, 71 

 Genotype, 92, 94, p5, 96, 127, 228, 260 

 Geographical isolation, 284 

 Geotropism, of seedling, j2 

 German Emperor, number of anc 



tors, 78 

 Germ CELLS, 6, 133 



alive, 9 



and body cells, 125, 127 



complexity of, 202 



possibilities determined in. 303 



potential personalities in. 296, 316 



reactions of, 38, |2. 31 1 



specific, [69, 174 



